DC Generators ______ dc machine are most common. 2 pole 8 pole 4 pole 6 pole 2 pole 8 pole 4 pole 6 pole ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a dc generator, armature reaction _____ pole tip. Weaknes the flux at the trailing Strengthns the flux at the leading Weaknes the flux at the leading None of the listed here Weaknes the flux at the trailing Strengthns the flux at the leading Weaknes the flux at the leading None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators The dc generator that has poorest voltage is Shunt generator Flat compounded generator Over compounded generator Series generator Shunt generator Flat compounded generator Over compounded generator Series generator ANSWER DOWNLOAD EXAMIANS APP
DC Generators The nature of armature winding of a dc machine is decided by Back pitch Commutator pitch Front pitch None of the listed here Back pitch Commutator pitch Front pitch None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators The purpose of providing dummy coils in a generator is To enhance flux density To reduce eddy current losses To provide mechanical balance for the rotor To amplify voltage To enhance flux density To reduce eddy current losses To provide mechanical balance for the rotor To amplify voltage ANSWER DOWNLOAD EXAMIANS APP
DC Generators If a self excited D.C. generator after being installed, fails to build up on its first trial run, the first thing to do is to reverse the field connections increase the field resistance increase the speed of primemover check armature insulation resistance reverse the field connections increase the field resistance increase the speed of primemover check armature insulation resistance ANSWER DOWNLOAD EXAMIANS APP